/Engine/Plugins/Enterprise/GLTFExporter/Source/GLTFExporter/Public/Builders/GLTFConvertBuilder.h
[FGLTFJsonMaterialVariant](API\Plugins\GLTFExporter\Json\FGLTFJsonMaterialVariant) * AddUniqueMaterialVariant ( const [UVariant](API\Plugins\VariantManagerContent\UVariant) * Variant )